A gas at 27°C temperature and 30 atmospheric pressure is allowed to expand to the atmospheric pressure. If the volume becomes 10 times its initial volume, then the final temperature becomes

1.  100°C                             

2.  173°C

3.  273°C                             

4.  – 173°C

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In the relation n=PVRT, n=

1.  Number of molecules                             

2.  Atomic number

3.  Mass number                                         

4.  Number of moles

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The equation of state corresponding to 8 g of O2 is :

1.  PV = 8RT                           

2.  PV = RT/4

3.  PV = RT                             

4.  PV = RT/2

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Three containers of the same volume contain three different gases. The masses of the molecules are m1, m2 and m3 and the number of molecules in their respective containers are N1, N2 and N3 . The gas pressure in the containers are P1, P2 and P3 respectively. All the gases are now mixed and put in one of the containers. The pressure P of the mixture will be :

1. P<P1+P2+P3                               

2. P=P1+P2+P33

3. P=P1+P2+P3                                 

4. P>P1+P2+P3

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


At a given volume and temperature, the pressure of a gas :

1. Varies inversely as its mass

2. Varies inversely as the square of its mass

3. Varies linearly as its mass

4. Is independent of its mass

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The rate of diffusion is :

1. Faster in solids than in liquids and gases

2. Faster in liquids than in solids and gases

3. Equal to solids, liquids, and gases

4. Faster in gases than in liquids and solids

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Two thermally insulated vessels 1 and 2 are filled with air at temperatures T1, T2, volume V1, V2 and pressure P1, P2 respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

1. T1+T2                               

2. T1+T2/2

3. T1T2P1V1+P2V2P1V1T2+P2V2T1                 

4. T1T2P1V1+P2V2P1V1T2+P2V2T2

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


For matter to exist simultaneously in gas and liquid phases :

1. The temperature must be 0 K.

2. The temperature must be less than 0°C.

3. The temperature must be less than the critical temperature.

4. The temperature must be less than the reduced temperature.

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The value of critical temperature in terms of Vander Waal’s constant a and b is

1. Tc=8 a27 Rb                           

2. Tc=a2 Rb

3. Tc=827 Rb                             

4. Tc=27 a8 Rb

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In Vander Waal’s equation, a and b represent P+aV2v-b=RT

1. Both a and b represent correction in volume

2. Both a and b represent adhesive force between molecules

3. a represents adhesive force between molecules and b correction in volume

4. a represents correction in volume and b represents adhesive force between molecules

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: